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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Eye irritation

Currently viewing:

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1979
Report date:
1979

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Federal Register 38 No. 187 § 1500.42
Version / remarks:
27.09.73
Principles of method if other than guideline:
Test substance was applied undiluted to the conjunctival sac of the right eye of 6 rabbits.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-methyl-6-(4-methylcyclohex-3-en-1-ylidene)hept-2-ene
EC Number:
207-805-8
EC Name:
2-methyl-6-(4-methylcyclohex-3-en-1-ylidene)hept-2-ene
Cas Number:
495-62-5
Molecular formula:
C15H24
IUPAC Name:
4-(1,5-dimethylhex-4-en-1-ylidene)-1-methylcyclohexene
Constituent 2
Chemical structure
Reference substance name:
(4S)-1-methyl-4-(6-methylhepta-1,5-dien-2-yl)cyclohexene
EC Number:
610-461-5
Cas Number:
495-61-4
Molecular formula:
C15H24
IUPAC Name:
(4S)-1-methyl-4-(6-methylhepta-1,5-dien-2-yl)cyclohexene
Constituent 3
Chemical structure
Reference substance name:
6-methyl-2-(4-methylcyclohex-3-enyl)hept-2,5-diene
EC Number:
241-610-9
EC Name:
6-methyl-2-(4-methylcyclohex-3-enyl)hept-2,5-diene
Cas Number:
17627-44-0
Molecular formula:
C15H24
IUPAC Name:
4-(1,5-dimethylhexa-1,4-dien-1-yl)-1-methylcyclohexene

Test animals / tissue source

Species:
rabbit
Strain:
Vienna White
Remarks:
Gaukler
Details on test animals or tissues and environmental conditions:
- Mean weight at study initiation: 2.9 kg
- Sex: 1 male, 5 females

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: untreated left eye
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 100 µl
- Concentration (if solution): undiluted
Duration of treatment / exposure:
72 hours
Observation period (in vivo):
72 hours
Number of animals or in vitro replicates:
6
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing (if done): no

SCORING SYSTEM: according to DRAIZE, J.H. (1959): Dermal Toxicity. In: FDA - Appraisal of the Safety of Chemicals in Foods, Drugs and Cosmetics.

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Remarks:
mean
Basis:
animal: 1-6
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: not applicable
Irritation parameter:
iris score
Remarks:
mean
Basis:
animal: 1-6
Time point:
24/48/72 h
Score:
0
Max. score:
2
Reversibility:
other: not applicable
Irritation parameter:
conjunctivae score
Remarks:
mean
Basis:
animal: 1-6
Time point:
24/48/72 h
Score:
0.8
Max. score:
3
Reversibility:
not fully reversible within: 72 hours
Irritation parameter:
chemosis score
Remarks:
mean
Basis:
animal: 1-6
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: not applicable

Any other information on results incl. tables

Cornea, iris and conjunctival scores

Cornea   Iris Conjunctiva    
Readings Animal Opacity Area involved   Redness Swelling Discharge
1h 1 0 0 0 2 0 1
  2 0 0 0 2 0 1
  3 0 0 0 2 0 1
  4 0 0 0 2 0 1
  5 0 0 0 2 0 1
  6 0 0 0 2 0 1
24h 1 0 0 0 1 0 0
  2 0 0 0 1 0 0
  3 0 0 0 1 0 0
  4 0 0 0 1 0 0
  5 0 0 0 1 0 0
  6 0 0 0 1 0 1
48h 1 0 0 0 1 0 0
  2 0 0 0 1 0 0
  3 0 0 0 1 0 0
  4 0 0 0 1 0 0
  5 0 0 0 0 0 0
  6 0 0 0 1 0 0
72h 1 0 0 0 0 0 0
  2 0 0 0 0 0 0
  3 0 0 0 1 0 0
  4 0 0 0 1 0 0
  5 0 0 0 0 0 0
  6 0 0 0 1 0 0
Mean (24h-72h) 1 0.0 0.0 0.0 0.7 0.0 0.0
  2 0.0 0.0 0.0 0.7 0.0 0.0
  3 0.0 0.0 0.0 1.0 0.0 0.0
  4 0.0 0.0 0.0 1.0 0.0 0.0
  5 0.0 0.0 0.0 0.3 0.0 0.0
  6 0.0 0.0 0.0 1.0 0.0 0.3
Mean (24h-72h) all animals 0.0 0.0 0.0 0.8 0.0 0.1

Applicant's summary and conclusion